Microphone arm



FIG. 1 is a left perspective view of the microphone arm;

FIG. 2 is a right perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is another left perspective view thereof;

FIG. 5 is top view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a front view thereof; and,

FIG. 9 is a rear view thereof.

An ornamental design for a microphone arm, as shown and described.